Python urwid.AttrWrap() Examples

def _add_item(self, name, func):
        """
        Add an item to the list with a divider.

        Args:
           name (str): The name of the option
           func: The function to call afterwards
        """
        self.options.append(
            urwid.AttrWrap(
                urwid.Divider(u'\u2500'),
                'panel_divider',
                'panel_divider_focus'))

        self.options.append(
            urwid.AttrWrap(
                urwid.Button(name, on_press=func),
                'panel',
                'panel_focus')) 

def build(self):
        # buttons
        done = urwid.Button("Done")
        urwid.connect_signal(done, 'click', self._done_multiselect)
        done = urwid.AttrWrap(done, 'selectable', 'butfocus')
        add = urwid.Button("Add New")
        urwid.connect_signal(add, 'click', self._add_new)
        add = urwid.AttrWrap(add, 'selectable', 'butfocus')
        cancel = urwid.Button("Cancel")
        urwid.connect_signal(cancel, 'click', self._cancel)
        cancel = urwid.AttrWrap(cancel, 'selectable', 'butfocus')
        # footer and header
        header = urwid.GridFlow([done, add, cancel], 15, 3, 1, 'center')
        footer = urwid.Padding(urwid.Text(
            ("popup", "Tab to button box to select buttons. Arrow keys transfer selection.")))
        body = self._build_body()
        return urwid.Frame(body, header=header, footer=footer, focus_part="body") 

def build(self):
        wlist = []
        addnew = urwid.Button("Add")
        urwid.connect_signal(addnew, 'click', self._add_new_option)
        addnew = urwid.AttrWrap(addnew, 'selectable', 'butfocus')
        wlist.append(addnew)
        for attrib in getattr(self.row, self.metadata.colname): # list-like attribute
            entry = ListEntry(urwid.Columns(
                    [(30, urwid.Text(str(attrib.type))),
                     urwid.Text(unicode(attrib.value).encode("utf-8"))]))
            entry.attrname = attrib.type.name
            urwid.connect_signal(entry, 'activate', self._edit_option)
            urwid.connect_signal(entry, 'delete', self._delete)
            wlist.append(entry)
        listbox = urwid.ListBox(urwid.SimpleFocusListWalker(wlist))
        return urwid.BoxAdapter(urwid.LineBox(listbox), max(7, len(wlist)+2)) 

def build(self):
        wlist = []
        addnew = urwid.Button("Add")
        urwid.connect_signal(addnew, 'click', self._add_new_attribute)
        addnew = urwid.AttrWrap(addnew, 'selectable', 'butfocus')
        wlist.append(addnew)
        for attrib in getattr(self.row, self.metadata.colname): # list-like attribute
            entry = ListEntry(urwid.Columns(
                    [(30, urwid.Text(str(attrib.type))),
                     urwid.Text(unicode(attrib.value).encode("utf-8"))]))
            entry.attrname = attrib.type.name
            urwid.connect_signal(entry, 'activate', self._edit_attribute)
            urwid.connect_signal(entry, 'delete', self._delete)
            wlist.append(entry)
        listbox = urwid.ListBox(urwid.SimpleFocusListWalker(wlist))
        return urwid.BoxAdapter(urwid.LineBox(listbox), max(7, len(wlist)+2))

    # edit attrib 

def __init__(self, urwidViewManager):
        uvm = urwidViewManager
        close_button = urwid.Button("that's pretty cool")
        urwid.connect_signal(close_button, 'click',
            lambda button:self._emit("close"))

        historyButtonList = []
        for i in uvm.history:
            historyButtonList.append(urwid.Button(str(i), uvm.displayThread))

        pile = urwid.Pile(historyButtonList)
        # pile = urwid.Pile([urwid.Text(
        #     "^^  I'm attached to the widget that opened me. "
        #     "Try resizing the window!\n"), close_button])
        fill = urwid.Filler(pile)
        self.__super.__init__(urwid.AttrWrap(fill, 'popbg')) 

def build(self):
        addnew = urwid.Button("Add")
        urwid.connect_signal(addnew, 'click', self._add_new_testequipment)
        addnew = urwid.AttrWrap(addnew, 'selectable', 'butfocus')
        wlist = [addnew]
        for te in getattr(self.environmentrow, self.metadata.colname): # list-like attribute
            entry = ListEntry( urwid.Text(self._stringify_te(te)))
            urwid.connect_signal(entry, 'activate', self._edit_testequipment)
            urwid.connect_signal(entry, 'delete', self._delete_testequipment)
            entry.testequipment = te
            if te.UUT:
                wlist.insert(1, entry)
            else:
                wlist.append(entry)
        listbox = urwid.ListBox(urwid.SimpleFocusListWalker(wlist))
        return urwid.BoxAdapter(urwid.LineBox(listbox), max(7, len(wlist)+2)) 

def build(self):
        # buttons
        done = urwid.Button("Done")
        urwid.connect_signal(done, 'click', self._done_multiselect)
        done = urwid.AttrWrap(done, 'selectable', 'butfocus')
        add = urwid.Button("Add New")
        urwid.connect_signal(add, 'click', self._add_new)
        add = urwid.AttrWrap(add, 'selectable', 'butfocus')
        cancel = urwid.Button("Cancel")
        urwid.connect_signal(cancel, 'click', self._cancel)
        cancel = urwid.AttrWrap(cancel, 'selectable', 'butfocus')
        # footer and header
        footer = urwid.GridFlow([done, add, cancel], 15, 3, 1, 'center')
        header = urwid.Padding(urwid.Text(
            ("popup", "Select multiple items. Tab to button box to select buttons. Arrow keys move selection.")))
        listbox = self._build_list()
        return urwid.Frame(listbox, header=header, footer=footer, focus_part="body") 

def __init__(self, data, header):
        title = [
            (4, urwid.AttrWrap(urwid.Text('#'), 'body', 'focus')),
            (2, urwid.AttrWrap(urwid.Text(''), 'body', 'focus')),
            (10, urwid.AttrWrap(urwid.Text('Tag'), 'body', 'focus')),
            urwid.AttrWrap(urwid.Text('Title'), 'body', 'focus'),
            (15, urwid.AttrWrap(urwid.Text('Acceptance'), 'body', 'focus')),
            (15, urwid.AttrWrap(urwid.Text('Difficulty'), 'body', 'focus')),
        ]
        title_column = urwid.Columns(title)
        self.marks = load_marks()
        items = make_itemwidgets(data, self.marks)
        self.listbox = urwid.ListBox(urwid.SimpleListWalker(items))
        header_pile = urwid.Pile([header, title_column])
        urwid.Frame.__init__(self, urwid.AttrWrap(self.listbox, 'body'), header=header_pile)
        self.last_sort = {'attr': 'id', 'reverse': True}
        self.last_search_text = None 

def __init__(self, data, marks, sel=True):
        self.sel = sel
        self.id = data.id
        self.data = data
        lockbody = 'body' if not self.data.locked else 'lock'
        pass_symbol = u''
        if self.data.submission_status == 'ac':
            pass_symbol = u'\u2714'
        elif self.data.submission_status == 'notac':
            pass_symbol = u'\u2718'
        text = str(self.data.id)
        mark = make_mark(marks, self.data.id)
        self.item = [
            (4, urwid.AttrWrap(urwid.Text(text), lockbody, 'focus')),
            (2, urwid.AttrWrap(urwid.Text(pass_symbol), lockbody, 'focus')),
            (10, urwid.AttrWrap(urwid.Text(mark), 'hometag', 'focus')),
            urwid.AttrWrap(urwid.Text('%s ' % data.title + (u'\u2605'if self.data.favorite else '')), lockbody, 'focus'),
            (15, urwid.AttrWrap(urwid.Text('%s' % data.acceptance), lockbody, 'focus')),
            (15, urwid.AttrWrap(urwid.Text('%s' % data.difficulty), lockbody, 'focus')),
        ]
        w = urwid.Columns(self.item)
        urwid.WidgetWrap.__init__(self, w) 

def on_unicode_checkbox(self, w=None, state=False):
        """Enable smooth edges if utf-8 is supported"""
        logging.debug("unicode State is %s", state)

        # Update the controller to the state of the checkbox
        self.controller.smooth_graph_mode = state
        if state:
            self.hline = urwid.AttrWrap(
                urwid.SolidFill(u'\N{LOWER ONE QUARTER BLOCK}'), 'line')
        else:
            self.hline = urwid.AttrWrap(urwid.SolidFill(u' '), 'line')

        for graph in self.graphs.values():
            graph.set_smooth_colors(state)

        self.show_graphs() 

def __init__(self, filename):
        self.header = urwid.Text(" BINCH: %s" % (filename))

        self.disasmblr = Disassembler(filename)

        items = self.setup_list(True)
        self.disasmlist = DisassembleList(items)
        start_index = self.find_index(self.disasmblr.entry)
        if start_index != -1:
            self.disasmlist.set_focus(start_index)

        self.history = list()

        self.body = urwid.Padding(self.disasmlist, 'center', 105)
        self.body = urwid.Filler(self.body, ('fixed top',1), ('fixed bottom',1))

        self.footer = StatusBar("HotKeys -> g: Go to a address | s: Save | d: Remove | enter: Modify | q: Quit", self)
        self.view = DisassembleWindow(self,
                urwid.AttrWrap(self.body, 'body'),
                urwid.AttrWrap(self.header, 'head'),
                self.footer)

        signals.call_delay.connect(self.sig_call_delay) 

def make_unified_error_view(self, error_title):
        blank = urwid.Divider()
        status_header = urwid.AttrWrap(urwid.Text('Run Code Status: '), 'body')
        status = urwid.AttrWrap(urwid.Text(error_title), 'hometag')
        columns = urwid.Columns([(17, status_header), (30, status)])
        column_wrap = urwid.WidgetWrap(columns)
        if 'last_testcase' in self.result:
            result_header = urwid.Text('--- Run Code Result: ---', align='center')
            your_input_header = urwid.Text('Last executed input:')
            your_input = urwid.Text(self.result['last_testcase'])
            list_items = [
                result_header,
                blank, column_wrap,
                blank, your_input_header, your_input,
            ]
        else:
            list_items = [
                result_header,
                blank, column_wrap,
            ]
        self._append_stdout_if_non_empty(list_items)
        return urwid.Padding(urwid.ListBox(urwid.SimpleListWalker(list_items)), left=2, right=2) 

def make_runtime_error_view(self):
        blank = urwid.Divider()
        status_header = urwid.AttrWrap(urwid.Text('Run Code Status: '), 'body')
        status = urwid.AttrWrap(urwid.Text('Runtime Error'), 'hometag')
        columns = urwid.Columns([(17, status_header), (20, status)])
        column_wrap = urwid.WidgetWrap(columns)
        result_header = urwid.Text('--- Run Code Result: ---', align='center')
        error_header = urwid.Text('Runtime Error Message:')
        error_message = urwid.Text(self.result['runtime_error'])
        your_input_header = urwid.Text('Last input:')
        your_input = urwid.Text(self.result['last_testcase'])
        list_items = [
            result_header,
            blank, column_wrap,
            blank, error_header, error_message,
            blank, your_input_header, your_input,
        ]
        self._append_stdout_if_non_empty(list_items)
        return urwid.Padding(urwid.ListBox(urwid.SimpleListWalker(list_items)), left=2, right=2) 

def __init__(self):
        self._header = urwid.Text("Command: ")
        self._edit_box = urwid.Edit()
        self._output_list = urwid.ListBox(urwid.SimpleFocusListWalker([]))
        self._output_layout = urwid.BoxAdapter(self._output_list, 0)  # Dynamically change size.

        self._lock = Lock()
        self._prompt_mode = False
        self._prompt_queue = Queue()

        self._main_loop = None

        urwid.Pile.__init__(self, [
            urwid.AttrWrap(self._header, "reversed"),
            self._output_layout,
            self._edit_box
        ])

        self.focus_item = self._edit_box 

def make_compile_error_view(self):
        blank = urwid.Divider()
        status_header = urwid.AttrWrap(urwid.Text('Run Code Status: '), 'body')
        status = urwid.AttrWrap(urwid.Text('Compile Error'), 'hometag')
        columns = urwid.Columns([(17, status_header), (20, status)])
        column_wrap = urwid.WidgetWrap(columns)
        result_header = urwid.Text('--- Run Code Result: ---', align='center')
        your_input_header = urwid.Text('Your input:')
        your_input = urwid.Text('')
        your_answer_header = urwid.Text('Your answer:')
        your_answer = urwid.Text(self.result['compile_error'])
        expected_answer_header = urwid.Text('Expected answer:')
        expected_answer = urwid.Text('Unkown Error')
        list_items = [
            result_header,
            blank, column_wrap,
            blank, your_input_header, your_input,
            blank, your_answer_header, your_answer,
            blank, expected_answer_header, expected_answer
        ]
        self._append_stdout_if_non_empty(list_items)
        return urwid.Padding(urwid.ListBox(urwid.SimpleListWalker(list_items)), left=2, right=2) 

def stream_header(self) -> Any:
        stream_topic_separator = '▶'
        color = self.model.stream_dict[self.stream_id]['color']
        bar_color = 's' + color
        stream_title_markup = ('bar', [
            (bar_color, '{} {} '.format(self.stream_name,
                                        stream_topic_separator)),
            ('title', ' {}'.format(self.topic_name))
        ])
        stream_title = urwid.Text(stream_title_markup)
        header = urwid.Columns([
            ('pack', stream_title),
            (1, urwid.Text((color, ' '))),
            urwid.AttrWrap(urwid.Divider('━'), color),
        ])
        header.markup = stream_title_markup
        return header 

def make_table_with_categories(contents: PopUpViewTableContent,
                                   column_widths: List[int],
                                   dividechars: int=2) -> List[Any]:
        """
        Returns a list of widgets to render a table with different categories.
        """
        widgets = []  # type: List[Any]
        for category, content in contents:
            if category:
                if len(widgets) > 0:  # Separate categories with newline.
                    widgets.append(urwid.Text(''))
                widgets.append(urwid.Text(('popup_category', category)))
            for index, row in enumerate(content):
                label, data = row
                strip = urwid.Columns([
                        urwid.Text(label),
                        (column_widths[1], urwid.Text(data))
                    ], dividechars=dividechars)
                widgets.append(urwid.AttrWrap(
                    strip, None if index % 2 else 'popup_contrast')
                )
        return widgets 

def make_failed_view(self):
        blank = urwid.Divider()
        status_header = urwid.AttrWrap(urwid.Text('Run Code Status: '), 'body')
        status = urwid.AttrWrap(urwid.Text('Wrong Answer'), 'hometag')
        columns = urwid.Columns([(17, status_header), (20, status)])
        result_header = urwid.Text('--- Run Code Result: ---', align='center')
        passed_header = urwid.Text('Passed test cases:')
        s = self.result['compare_result']
        passed = urwid.Text('%d/%d' % (s.count('1'), len(s)))
        your_input_header = urwid.Text('Your input:')
        your_input = urwid.Text(self.result['input'])
        your_answer_header = urwid.Text('Your answer:')
        your_answer = urwid.Text(self.result['code_output'])
        expected_answer_header = urwid.Text('Expected answer:')
        expected_answer = urwid.Text(self.result['expected_output'])
        list_items = [
            result_header,
            blank, columns,
            blank, passed_header, passed,
            blank, your_input_header, your_input,
            blank, your_answer_header, your_answer,
            blank, expected_answer_header, expected_answer
        ]
        self._append_stdout_if_non_empty(list_items)
        return urwid.Padding(urwid.ListBox(urwid.SimpleListWalker(list_items)), left=2, right=2) 

def __init__(self, key=None, value=('', '')):
        self.trigger = key
        self.yn = value[0]
        self.yn_but = MyButton([('attention', 'Use proxy: '), self.yn], self.on_change)
        self.input_addr = urwid.Edit(('attention', u' \N{BULLET} Address  : '), edit_text=value[1], wrap='clip')
        self.input_port = urwid.IntEdit(('attention', u' \N{BULLET} Port     : '), default=value[2])
        self.input_port.set_wrap_mode('clip')
        exit_but = urwid.Padding(urwid.Button('OKay'.center(8), self.item_callback), 'center', 12)

        widgets = [self.yn_but] \
                  + [urwid.AttrMap(wid, None, 'popbgs') for wid in (self.input_addr, self.input_port, exit_but)]

        self.pile = urwid.Pile(widgets)
        fill = urwid.LineBox(urwid.Filler(self.pile))
        self.__super.__init__(urwid.AttrWrap(fill, 'popbg'))

        self.chosen = value 

def __init__(self, app):
        # super(PlayBar, self).__init__(*args, **kwargs)
        self.app = app
        self.rotating_index = 0
        self.text = urwid.Text('', align=urwid.LEFT)
        self.flags = [
        ]
        self.progressbar = ProgressBar()

        self.shuffle_el = urwid.AttrWrap(urwid.Text(u' \u22cd SHUF '), 'flag')
        self.repeat_el = urwid.AttrWrap(urwid.Text(u' \u27f2 REP '), 'flag')

        self.infobar = urwid.Columns([
            self.text,
            ('pack', self.shuffle_el),
            # ('pack', urwid.Text(' ')),
            ('pack', self.repeat_el)
        ])
        super(PlayBar, self).__init__([
            ('pack', self.progressbar),
            ('pack', self.infobar),
        ])
        self.update()

        player.media_position_changed += self.update
        player.media_state_changed += self.update
        player.track_changed += self.update
        player.playback_flags_changed += self.update 

def __init__(self, songitem):
        self.songitem = songitem
        self.options = [
            urwid.AttrWrap(
                urwid.Text(' ' + songitem.full_title),
                'panel'
            ),
            urwid.AttrWrap(
                urwid.Text(' Source: {}'.format(songitem.track.source)),
                'panel_divider'
            ),
            urwid.AttrWrap(
                urwid.Text(' StoreID: {}'.format(songitem.track.store_id)),
                'panel_divider'
            )
        ]

        if not gp.get_track_by_id(songitem.track.id):
            self._add_item('Add to library', self.add_to_my_library)
        else:
            self._add_item('Remove from library', self.remove_from_my_library)

        self._add_item('Create station', self.create_station)

        if self.songitem.track in player.get_queue_tracks():
            self._add_item('Remove from queue', self.remove_from_queue)
        else:
            self._add_item('Append to queue', self.append_to_queue)

        if self.songitem.track.cached_url is not None:
            self._add_item('Copy URL to clipboard', self.copy_url)

        self.options.append(
            urwid.AttrWrap(
                urwid.Button('Close', on_press=self.close),
                'panel',
                'panel_focus'))

        super(SongListBoxPopup, self).__init__(
            urwid.Pile(self.options)
        ) 

def __init__(self, area, notification_id, message):
        self.area = area
        self._id = notification_id
        self.text = urwid.Text('')
        self._set_text(message)
        super(_Notification, self).__init__([
            urwid.AttrWrap(
                urwid.Columns([
                    self.text,
                    ('pack', urwid.Text('[Hit ESC to close] '))
                ]),
                'notification'
            )
        ]) 

def setup_view(self):
        self.logger_box = urwid.SimpleListWalker([])

        self._state_overview = urwid.Text("Starting")
        # ListBox
        self.job_box = urwid.ListBox(urwid.SimpleListWalker([]))

        w = urwid.Pile([urwid.AttrWrap(self.job_box, 'body')])

        # Frame
        hdr = urwid.Text("Sisyphus | CWD: %s | Call: %s | Press h for help | press q or esc to quit" %
                         (os.path.abspath('.'), ' '.join(sys.argv)), wrap='clip')
        self.header = hdr = urwid.AttrWrap(hdr, 'header')
        hdr = urwid.Pile([hdr,
                          (10, urwid.AttrWrap(urwid.ListBox(self.logger_box), 'body')),
                          urwid.AttrWrap(self._state_overview, 'note'),
                          ])

        self.setup_menu_view()
        self.main_view = self.menu_view
        self.job_view = urwid.Frame(header=hdr, body=w)

        # Exit message
        exit = urwid.BigText(('exit', " Quit? "), font=urwid.Thin6x6Font())
        self.exit_view = urwid.Overlay(exit, w, 'center', None, 'middle', None)

        self.question_text = urwid.Text("  ")
        self.question_queue = Queue()
        self.question_sem = Semaphore()
        self.question_view = urwid.Overlay(self.question_text, self.main_view,
                                           'center', ('relative', 80), 'middle', None)

        help = urwid.Text(help_text)
        self.help_view = urwid.Frame(header=self.header, body=urwid.ListBox([help]))

        self.setup_object_view()

        self.history = []
        self.stop_job_view_update = False
        self.current_jobs = [] 

def buildAddFooterView(self, focusView):
        try:
            footerStringLeft = urwid.AttrWrap(urwid.Text('Mode: ' + str(self.mode) + ', Filter: ' + str(self.currFocusView.uFilter)), 'header')
            footerStringRight = urwid.AttrWrap(urwid.Text(focusView.frame.footerStringRight, 'right'), 'header')
        except:
            footerStringLeft = urwid.Text('')
            footerStringRight = urwid.Text('')


        footerWidget = urwid.Pile([urwid.Columns([footerStringLeft, footerStringRight]), self.commandBar])
        self.body.footer = footerWidget 

def buildThread(self):
        self.postWidgetDict = {}

        for p in self.comments:
            self.postReplyDict[str(p.userIden)] = []

            commentWidget = self.notBrainletCommentTagParser(p)

            if self.uFilter:
                if self.uFilter.lower() in p.content.lower():
                    self.postWidgetDict[p.userIden] = commentWidget
            else:
                self.postWidgetDict[p.userIden] = commentWidget

        postWidgetList = []
        for pNum, pWidget in self.postWidgetDict.items():
            if pNum in self.postReplyDict:
                buttonReplyList = [urwid.AttrWrap(QuoteButton(str(r), self.uvm), 'quote') for r in self.postReplyDict[pNum]]
                pWidget.append(urwid.Text('Replies: '))
                pWidget.append(urwid.GridFlow(buttonReplyList, len(str(pNum)) + 4, 0, 0, 'left'))
                # pWidget.append(urwid.Text('Replies: ' + str(self.postReplyDict[pNum])))
            postWidgetList.append(urwid.LineBox(urwid.Pile(pWidget)))

        self.parsedItems = len(self.comments)


        listbox_content = postWidgetList
        listbox = urwid.ListBox(urwid.SimpleListWalker(listbox_content))

        return listbox 

def __init__(self, quoteNumber, urwidViewManager):
        currViewThreadWidgets = urwidViewManager.currFocusView.frame.postWidgetDict

        close_button = urwid.Button("Hide")
        urwid.connect_signal(close_button, 'click', lambda button:self._emit("close"))
        cleanQuoteNumber = re.sub("[^0-9]", "", str(quoteNumber))
        widgetList = currViewThreadWidgets[cleanQuoteNumber]

        if type(widgetList[-1]) != type(close_button):
            widgetList.append(close_button)

        log.debug(widgetList)
        fill = urwid.Filler(urwid.LineBox(urwid.Pile(widgetList)))
        self.__super.__init__(urwid.AttrWrap(fill, 'quotePreview')) 

def make_header(self):
        if self.leetcode.is_login:
            columns = [
                ('fixed', 15, urwid.Padding(urwid.AttrWrap(
                    urwid.Text('%s' % self.leetcode.username),
                    'head', ''))),
                urwid.AttrWrap(urwid.Text('You have solved %d / %d problems. ' % (
                    len(self.leetcode.solved), len(self.leetcode.quizzes))), 'head', ''),
                urwid.AttrWrap(urwid.Text(('Premium ' if self.leetcode.is_paid else 'Free '), align="right"), 'head', ''),
            ]
            return urwid.Columns(columns)
        else:
            text = urwid.AttrWrap(urwid.Text('Not login'), 'head')
        return text 

def __init__(self, quiz, loop=None):
        self.quiz = quiz
        self.loop = loop
        self.logger = logging.getLogger(__name__)
        blank = urwid.Divider()
        view_title = urwid.AttrWrap(urwid.Text(self.quiz.title), 'body')
        view_text = self.make_body_widgets()
        view_code_title = urwid.Text('\n --- Sample Code ---\n')
        view_code = urwid.Text(self.quiz.sample_code)
        listitems = [blank, view_title, blank] + view_text + \
                    [blank, view_code_title, blank, view_code, blank]
        self.listbox = urwid.ListBox(urwid.SimpleListWalker(listitems))
        urwid.Frame.__init__(self, self.listbox) 

def make_success_view(self):
        blank = urwid.Divider()
        status_header = urwid.AttrWrap(urwid.Text('Run Code Status: '), 'body')
        status = urwid.AttrWrap(urwid.Text('Accepted'), 'accepted')
        columns = urwid.Columns([(20, status_header), (20, status)])
        runtime = urwid.Text('Run time: %s' % self.result['status_runtime'])
        result_header = urwid.Text('--- Run Code Result: ---', align='center')
        list_items = [
            result_header,
            blank, columns,
            blank, runtime
        ]
        self._append_stdout_if_non_empty(list_items)
        return urwid.Padding(urwid.ListBox(urwid.SimpleListWalker(list_items)), left=2, right=2) 

def show(self, loop):
        # Header
        header_text = urwid.Text(self.title, align='center')
        header = urwid.AttrMap(header_text, 'dialog')

        # Footer
        ok_btn = urwid.Button('Ok', self.on_ok)
        ok_btn = urwid.AttrWrap(ok_btn, 'dialog_button', 'dialog_button_focus')

        footer = urwid.GridFlow([ok_btn], 12, 1, 1, 'center')

        body = urwid.Filler(
            urwid.Pile([
                urwid.Text(self.message),
                urwid.Text(""),
                footer
            ])
        )

        # Layout
        layout = urwid.Frame(
            body,
            header=header
        )

        w = DialogOverlay(
            on_close=self.on_close,
            on_enter=self.on_ok,
            top_w=urwid.AttrMap(urwid.LineBox(layout), "dialog"),
            bottom_w=loop.widget,
            align='center',
            width=40,
            valign='middle',
            height=10
        )

        loop.widget = w